问题
解答题
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答案
(1)280×16=4480;
验算:4480÷280=16
(2)36×242=8712;
验算:8712÷242=36
(3)420×50=21000;
验算:21000÷420=50
(4)48×320=15360;
验算:15360÷320=48
(5)57×198=11286;
验算:11286÷198=57
(6)406×80=32480.
验算:32480÷406=80
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(1)280×16=4480;
验算:4480÷280=16
(2)36×242=8712;
验算:8712÷242=36
(3)420×50=21000;
验算:21000÷420=50
(4)48×320=15360;
验算:15360÷320=48
(5)57×198=11286;
验算:11286÷198=57
(6)406×80=32480.
验算:32480÷406=80